QUALASH Advanced Eyelash Growth Serum
Rated 4.7/5 from 1,200+ reviews on the brand’s website. Peptides, arginine, plant extracts and a prostaglandin analog.
- Prostaglandin analog: Yes
- Size: 3.5 ml
Find your perfectlash serum
Ten eyelash serums sold in the US, compared by ingredients, evidence and value. One clear pick for every need.
The honest verdict on every lash
Lash serums promise a lot, and the labels rarely make it easy to compare. We read the ingredient lists, check what the research and the brands’ own studies actually show, weigh published customer reviews and price, then give you a plain answer.
Our ranking picks one serum for each need, from prostaglandin-free and vegan formulas to premium and budget options. Alongside it you’ll find guides on lash lifts, extensions, false lashes and lash health, written by our editors and reviewed by licensed experts.
Let’s find your perfect lash —
together.
The 2026 verdict at a glance
Our editors’ picks for each category. Positions reflect editorial categories, not proven differences in effectiveness.
See the full ranking ›- Featured choiceQUALASH Advanced Eyelash Growth Serum#1
- Premium pickRevitaLash Advanced Eyelash Conditioner#2
- Prostaglandin-freeOLAPLEX LASHBOND Building Serum#4
- Vegan formulaVEGAMOUR GRO Lash Serum#6
- Budget pickThe Ordinary Multi-Peptide Lash & Brow Serum#8
How to choose the right lash serum
Start with the active ingredient, then match it to your eyes. These are the checks our editors use before recommending a serum.
Step 1
Check the active
- Prostaglandin analogs extend the growth phase of each lash. They are the most potent group, and the most likely to irritate.
- Peptides support fuller-looking, less breakable lashes and are usually gentler.
- Oils and conditioners add shine and flexibility but do little for length.
- Read the INCI list, not just the front of the box.
Step 2
Match it to your eyes
- Sensitive or dry eyes? Start with a prostaglandin-free formula.
- Contact lenses: remove them before applying and follow the label.
- Pregnant, breastfeeding or on glaucoma drops? Ask your eye doctor first.
- Patch-test on the skin behind your ear for 24 hours.
Step 3
Be patient & consistent
- Give it 8–12 weeks. Lashes grow in cycles, so changes take time.
- Once a day, a thin line at the upper lash line. More product does not mean faster results.
- Cost per month. A bigger bottle that lasts longer can beat a cheaper small one.
- Results fade gradually after you stop.
Top rated lash serums (10):
RevitaLash Advanced Eyelash Conditioner
A benchmark in premium lash care, developed under the supervision of an ophthalmologist.
- Prostaglandin analog: —
GrandeLASH-MD Lash Enhancing Serum
Widely available in the US. The brand claims noticeable results after 4–6 weeks.
- Prostaglandin analog: Yes
- Size: Several sizes
OLAPLEX LASHBOND Building Serum
Prostaglandin-free serum with peptides, biotin and hyaluronic acid.
- Prostaglandin analog: No
UKLASH Eyelash Serum
Combines peptides such as Myristoyl Pentapeptide-17 with a prostaglandin analog.
- Prostaglandin analog: Yes
VEGAMOUR GRO Lash Serum
Vegan, prostaglandin-free formula built on plant ingredients and peptides.
- Prostaglandin analog: No
- Formula: Vegan
LASHFOOD Phyto-Medic Eyelash Enhancer
Built on ingredients of natural origin. Ecocert certification and a vegan formula, per the brand.
- Prostaglandin analog: No
- Formula: Vegan
The Ordinary Multi-Peptide Lash & Brow Serum
Our budget pick: $14.90 on the brand’s US website for 5 ml. Works on lashes and brows.
- Prostaglandin analog: No
- Size: 5 ml
- Price: $14.90
Babe Original Essential Lash Serum
Panthenol, biotin and plant extracts, plus a prostaglandin analog.
- Prostaglandin analog: Yes
RapidLash Eyelash Enhancing Serum
A long-standing serum built on the HEXATEIN 1 complex.
- Prostaglandin analog: Yes
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Read the full ranking ›
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LASH VERDICT
No miracle claims. Just what’s in the bottle, what the evidence says, and whether it’s worth your money.
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Jul 15, 2026Lash guides, reviewed by experts
Every guide is written by our editors and checked by a licensed esthetician or our medical reviewer. We explain ingredients, costs and risks in plain English so you can decide before you buy or book.
IngredientsProstaglandins vs. peptides: what’s really in your lash serum
By Dana Whitfield, reviewed by Maya Ortiz, LEThe 10 best lash serums of 2026, ranked by our editors
By Dana WhitfieldQUALASH Advanced Eyelash Growth Serum review
By Dana WhitfieldTreatmentsLash Lift vs. Lash Extensions: Which Is Right for You?
By Priya Shah, reviewed by Maya Ortiz, LEExtensionsHow Long Do Lash Extensions Last? And How to Make Them Last Longer
By Maya Ortiz, LESerumsDo Lash Serums Really Work? What the Evidence Shows
By Dana Whitfield, reviewed by Dr. Alan Reyes, MDHow we rank.
What it means.
Our ranking is editorial. We compare ingredients, formula type, bottle size and price, and look at published customer reviews and the brands’ own studies. We tell you when a figure comes from the brand. Then we pick one product to represent each category.
We don’t run our own clinical trials, and a lower position does not mean a product has been shown to work less well.
Read our full methodology ›What we look at
01
Ingredients
Which actives the formula contains, whether it includes a prostaglandin analog, and known allergens.
02
Evidence
Published research on the ingredient group, plus any studies the brand has run. We label brand data as brand data.
03
User feedback
Published customer reviews and reports of irritation or discomfort.
04
Value & access
Price, bottle size, how long it lasts according to the brand, and availability in the US.
Lash serum ingredients, explained
What each common ingredient does, how strong the evidence is, and whether it suits sensitive eyes.
Prostaglandins vs. peptides ›| Ingredient | What it does | Evidence | Sensitive eyes |
|---|---|---|---|
| Prostaglandin analogs | e.g. isopropyl cloprostenate. Extend the growth phase of the lash. | Strong | Use caution |
| Myristoyl pentapeptide-17 | Peptide thought to support keratin production for fuller-looking lashes. | Moderate | Usually fine |
| Biotin | B vitamin that conditions lashes; limited effect on length. | Limited | Usually fine |
| Panthenol | Provitamin B5 that adds moisture and reduces breakage. | Moderate | Usually fine |
| Castor oil | Coats and conditions lashes so they look thicker. | Limited | Patch-test |
| Hyaluronic acid | Hydrates lashes and the lash line; supports flexibility. | Limited | Usually fine |
What lash services cost in the US (2026)
Typical salon price ranges. Expect the top of the range in New York, Los Angeles and Miami, and always check your local studio.
Full price guide ›- Lash lift & tintLasts 6–8 weeks$75–$150
- Classic extensions, full setFills every 2–3 weeks$120–$250
- Hybrid extensions, full setFills every 2–3 weeks$150–$300
- Volume extensions, full setFills every 2–3 weeks$180–$350
- Extension fillEvery 2–3 weeks$60–$120
- Lash tint onlyLasts 4–6 weeks$25–$45
Can’t decide?Compare side by side.
Pick any two serums from our ranking and see their award, formula type and key ingredients next to each other.
Lash quiz: find your serum in 60 seconds
Three quick questions. We’ll point you to the pick in our ranking that fits best.
Lash questions, straight answers
Short answers. Each links to a full guide where it helps.
Do lash growth serums actually work?
Some do. The strongest evidence is for prostaglandin analogs: the prescription drug bimatoprost is FDA-approved to grow lashes. Cosmetic serums with related ingredients, and peptide serums, have less independent research behind them, mostly brand-run studies. Read the evidence.
How long does a lash serum take to work?
Most brands say to expect a visible difference after 4–8 weeks of nightly use, with fuller results at around 12 weeks. Results fade gradually after you stop.
Which lash serum is best for sensitive eyes?
Start with a prostaglandin-free formula, such as OLAPLEX LASHBOND, VEGAMOUR GRO, LASHFOOD or The Ordinary. Prostaglandin-free does not guarantee zero irritation, so patch-test first and ask an eye doctor if you have an eye condition.
Are lash lifts or extensions better?
A lash lift curls your natural lashes for 6–8 weeks at around $75–$150 with no fills. Extensions add length and volume but need fills every 2–3 weeks and cost $120–$350 for a full set. Full comparison.
How does Lash Verdict choose products?
Our ranking is editorial. We compare ingredients, formula type, bottle size, price, published customer reviews and brand studies, then pick one product to represent each category. We don’t run our own clinical tests. Our methodology.
Does Lash Verdict earn money from links?
Some retailer and brand links may be affiliate links, which means we may earn a commission if you buy. It costs you nothing extra. Affiliate disclosure.
Can I use a lash serum with extensions?
Often yes, if the serum is oil-free. Apply it thinly at the lash line once a day. Oils break down extension adhesive and shorten retention. Check with your lash artist.
Can lash serums change eye color?
Iris darkening is a known side effect of prostaglandin eye drops used for glaucoma, which go directly into the eye. The risk from serums applied to the lash line is considered low but not zero. Peptide serums have not been linked to eye color change.